參數(shù)資料
型號(hào)： SCD5580A
廠商： INFINEON TECHNOLOGIES AG
英文描述： 8-Character 5 x 5 Dot Matrix Serial Input Dot Addressable Intelligent Display
中文描述： 8個(gè)字符的5 × 5點(diǎn)陣串行輸入點(diǎn)可尋址智能顯示
文件頁(yè)數(shù)： 10/15頁(yè)
文件大?。?/td> 437K
代理商： SCD5580A
2000 In
fi
neon Technologies Corp.
Optoelectronics Division
San Jose, CA
www.in
fi
neon.com/opto
1-888-In
fi
neon (1-888-463-4636)
OSRAM Opto Semiconductors GmbH & Co. OHG
Regensburg, Germany
www.osram-os.com
+49-941-202-7178
SCD5580/1/2/3/4 A
10
March 23, 2000-18
Division, Morristown, NJ; Baron-Blakeslee, Chicago, IL; Dow
Chemical, Midland, MI; E.I. DuPont de Nemours & Co., Wilm-
ington, DE.
For further information refer to Appnotes 18 and 19 at
www.infineon.com/opto.
An alternative to soldering and cleaning the display modules is
to use sockets. Naturally, 28 pin DIP sockets .300" wide with
.100" centers work well for single displays. Multiple display
assemblies are best handled by longer SIP sockets or DIP sock-
ets when available for uniform package alignment. Socket man-
ufacturers are Aries Electronics, Inc., Frenchtown, NJ; Garry
Manufacturing, New Brunswick, NJ; Robinson-Nugent, New
Albany, IN; and Samtec Electronic Hardward, New Albany, IN.
For further information refer to Appnote 22 at www.infin-
eon.com/opto.
Optical Considerations
The 0.145" high character of the SCD558XA gives readability up
to eight feet. Proper filter selection enhances readability over
this distance.
Using filters emphasizes the contrast ratio between a lit LED
and the character background. This will increase the discrimina-
tion of different characters. The only limitation is cost. Take into
consideration the ambient lighting environment for the best
cost/benefit ratio for filters.
Incandescent (with almost no green) or fluorescent (with
almost no red) lights do not have the flat spectral response of
sunlight. Plastic band-pass filters are an inexpensive and effec-
tive way to strengthen contrast ratios. The SCD5580/2A are
red/high efficiency red displays and should be matched with
long wavelength pass filter in the 570 nm to 590 nm range. The
SCD5583/4A should be matched with a yellow-green band-
pass filter that peaks at 565 nm. For displays of multiple colors,
neutral density grey filters offer the best compromise.
Additional contrast enhancement is gained by shading the dis-
plays. Plastic band-pass filters with built-in louvers offer the
next step up in contrast improvement. Plastic filters can be
improved further with anti-reflective coatings to reduce glare.
The trade-off is fuzzy characters. Mounting the filters close to
the display reduces this effect. Take care not to overheat the
plastic filter by allowing for proper air flow.
Optimal filter enhancements are gained by using circular polar-
ized, anti-reflective, band-pass filters. The circular polarizing fur-
ther enhances contrast by reducing the light that travels through
the filter and reflects back off the display to less than 1%.
Several filter manufacturers supply quality filter materials.
Some of them are: Panelgraphic Corporation, W. Caldwell, NJ;
SGL Homalite, Wilmington, DE; 3M Company, Visual Products
Division, St. Paul, MN; Polaroid Corporation, Polarizer Division,
Cambridge, MA; Marks Polarized Corporation, Deer Park, NY,
Hoya Optics, Inc., Fremont, CA.
One last note on mounting filters: recessing displays and bezel
assemblies is an inexpensive way to provide a shading effect in
overhead lighting situations. Several Bezel manufacturers are:
R.M.F. Products, Batavia, IL; Nobex Components, Griffith Plas-
tic Corp., Burlingame, CA; Photo Chemical Products of Califor-
nia, Santa Monica, CA; I.E.E.–Atlas, Van Nuys, CA.
Microprocessor Interface
The microprocessor interface is through the serial port, SPI port
or one out of eight data bits on the eight bit parallel port and
also control lines SDCLK and LOAD.
Power Up Sequence
Upon power up display will come on at random. Thus the dis-
play should be reset at power-up. The reset will set the
Address Register to Digit 0, User RAM is set to 0 (display
blank) the Control Word is set to 0 (100% brightness with
Lamp Test off) and the internal counters are reset.
Figure 11. Interface with Siemens/Intel 8031 Microprocessor
(using serial port in mode 0)
V
CC
V
CC
V
CC
V
CC
U1
8031
9 RST
18
19
XTAL2
XTAL1
40
RXD
TXD
10
11
28 27 23 20 19 16 15 28 27 23 2019 16 15
DATA
SCD
MASTER
LOAD
CLK
1 2
1 2
6 9
6 9
13 14
13 14
DATA
SCD
SLAVE
LOAD
SD
SD
CLK
22
μ
F
TAN
.01
μ
F
P3.7 17
P3.3 13
P3.4 14
+
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參數(shù)描述
SCD5581 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Serial Input Dot Addressable Intelligent Display
SCD5581A 功能描述:LED 顯示器和配件 5x5 Yellow 0.145", 8-CHARACTER RoHS:否 制造商:Avago Technologies 顯示器類型:7 Segment 數(shù)位數(shù)量:2 字符大小:7.8 mm x 14.22 mm 照明顏色:Red 波長(zhǎng):628 nm 共用管腳:Common Anode 工作電壓:2.05 V 工作電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 35 C 封裝:Tube
SCD5582 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Serial Input Dot Addressable Intelligent Display
SCD5582A 功能描述:LED 顯示器和配件 5x5 Super Red 0.145", 8-CHARACTER RoHS:否 制造商:Avago Technologies 顯示器類型:7 Segment 數(shù)位數(shù)量:2 字符大小:7.8 mm x 14.22 mm 照明顏色:Red 波長(zhǎng):628 nm 共用管腳:Common Anode 工作電壓:2.05 V 工作電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 35 C 封裝:Tube
SCD5583 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Serial Input Dot Addressable Intelligent Display
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